Physical Review B, volume 108, issue 14, publication number 144506

Complete Tc suppression and Néel triplets mediated exchange in antiferromagnet-superconductor-antiferromagnet trilayers

Publication typeJournal Article
Publication date2023-10-19
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Abstract
An antiferromagnetic insulator (AFMI) bearing a compensated interface to an adjacent conventional superconductor (S) has recently been predicted to generate N\'eel triplet Cooper pairs, whose amplitude alternates sign in space. Here, we theoretically demonstrate that such N\'eel triplets enable control of the superconducting critical temperature in an S layer via the angle between the N\'eel vectors of two enclosing AFMI layers. This angle dependence changes sign with the number of S monolayers providing a distinct signature of the N\'eel triplets. Furthermore, we show that the latter mediate a similarly distinct exchange interaction between the two AFMIs' N\'eel vectors.

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Johnsen L. G. et al. Complete Tc suppression and Néel triplets mediated exchange in antiferromagnet-superconductor-antiferromagnet trilayers // Physical Review B. 2023. Vol. 108. No. 14. 144506
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Johnsen L. G., Chourasia S., Bobkov G. A., Gordeeva V. M., Bobkova I. V., Kamra A. Complete Tc suppression and Néel triplets mediated exchange in antiferromagnet-superconductor-antiferromagnet trilayers // Physical Review B. 2023. Vol. 108. No. 14. 144506
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RIS Copy
TY - JOUR
DO - 10.1103/physrevb.108.144506
UR - https://doi.org/10.1103/physrevb.108.144506
TI - Complete Tc suppression and Néel triplets mediated exchange in antiferromagnet-superconductor-antiferromagnet trilayers
T2 - Physical Review B
AU - Johnsen, Lina G.
AU - Chourasia, Simran
AU - Bobkov, G. A.
AU - Gordeeva, V. M.
AU - Bobkova, I. V.
AU - Kamra, Akashdeep
PY - 2023
DA - 2023/10/19
PB - American Physical Society (APS)
IS - 14
VL - 108
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex
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BibTex Copy
@article{2023_Johnsen,
author = {Lina G. Johnsen and Simran Chourasia and G. A. Bobkov and V. M. Gordeeva and I. V. Bobkova and Akashdeep Kamra},
title = {Complete Tc suppression and Néel triplets mediated exchange in antiferromagnet-superconductor-antiferromagnet trilayers},
journal = {Physical Review B},
year = {2023},
volume = {108},
publisher = {American Physical Society (APS)},
month = {oct},
url = {https://doi.org/10.1103/physrevb.108.144506},
number = {14},
doi = {10.1103/physrevb.108.144506}
}
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